Performance Spec - Shot Counter - FINAL 1.pdf

CUI

CUI

PMA-242-23-001

10 July 2023

PERFORMANCE SPECIFICATION

AUTOMATED SHOT COUNTER

This specification is approved for use by all Departments and Agencies of the Department of Defense.

NOT MEASUREMENT

SENSITIVE

DISTRIBUTION STATEMENT D

Distribution authorized to Department of Defense and U.S. DoD contractors only; Administrative or Operational Use; 11 JULY 2023. Other requests for this document shall be referred to: Commanding Officer, Naval Surface Warfare Center, Crane Division, Special Warfare and Expeditionary Systems Department, Weapon Systems Division, Code JXN, Bldg. 3422, 300 Hwy 361, Crane, IN 47522-5001.

WARNING

This document contains technical data whose export is restricted by the Arms Export Control Act (Title 22, U.S.C., Sec 2751, et seq.) or the Export Control Reform Act of 2018 (Title 50, U.S.C., Chapter 58 4811 - 4826 et seq.). Violations of these export laws are subject to severe criminal penalties.

Disseminate in accordance with provisions of DoD Directive 5230.25.

DESTRUCTION NOTICE

For classified documents, follow the procedures in NIST 800-88, Industrial Security Manual, DODM 5200.1, Information Security Program Regulation. For Controlled Unclassified Information, limited documents, follow procedures in DoDI 5200.48, to prevent disclosure of contents or reconstruction of this document.

APPROVED:_________________________ APPROVED:_________________________

Daniel Nonnemacher Stanley Stewart PMA-242 Chief Engineer PMA-242 Product Support Manager

APPROVED:_________________________

Alexander Dutko, Captain USN PMA-242 Program Manager

RECORD OF CHANGE

Description of Change Effected Revision Effectivity Date Approving

Authority

CONFIGURATION CONTROL N/A

1. SCOPE

This specification covers the performance requirements for an automated shot counter apparatus employed with the GAU-21 (.50 Caliber) Machine Gun, GAU-17 (7.62MM) Machine Gun, M240 (7.62MM) Machine Gun, M197 (20MM) Machine Gun, and M61 A1/A2 (20MM) Machine Gun. The automated shot counter apparatus will consist of a rounds counter device hereby referred to as “rounds counter” mounted to the weapon and a handheld external rounds counter information reader hereby referred to as “reader”. When referring to both rounds counter and reader, this specification will refer to both as “automated shot counter system”.

1.1. Specification Terms

1.1.1 Shall Statements

Requirements defined using “shall” statements are considered to be binding and to require formal verification.

1.1.2 Will Statements

Requirements defined using “will” statements express intent, are not binding, and therefore do not require formal verification.

1.2. Classification. Rounds counters will be furnished in the following classes.

Class I – Low rate of fire: Up to 3,500 rounds per minute Class II – High rate of fire: Up to 7,000 rounds per minute

1.3. Abbreviations and Acronyms.

Abbreviation/ Acronym

Definition

TDP Technical Data Package COTS Commercial Off-The-Shelf DS Direct Strike CSW Crew Served Weapons RFWS Rapid Fire Weapon Systems ICD Interface Control Document IDD Interface Design Document SSS System/Subsystem Specification SRS Software Requirements Specification UL Underwriters Laboratories CUI Controlled Unclassified Information DoD/DoN Department of Defense / Department of Navy DISA Defense Information Systems Agency

ATO Authorization to Operate RMF Risk Management Framework

1.4. Background. Shot counter apparatus shall be furnished in the following mission, programs, and platforms for each weapon system.

1.4.1. Crew Served Weapons

The mission for Crew Served Weapons (CSW) is to provide air to air and air to ground assault support defensive fires for Navy and Marine Helicopters. There are 2 calibers used for CSW, 7.62mm and .50 caliber.

GAU-21 (.50 CAL)

Recoil operated Belt fed 1100 rounds per minute Platforms: H-1, H-53, H-60, V-22

GAU-17/A (7.62MM)

Electrically operated 3,000 rounds per minute Platforms: H-1, H-60, V-22

M240D (7.62MM)

Gas operated Belt fed 650 rounds per minute Platforms: H-1, H-60, V-22

1.4.2. Medium Caliber Weapons

The mission for Medium Caliber Weapons is to provide close air support targeting light armor/soft targets. Medium Caliber weapons below fire 20MM ammunition.

M197 (20MM)

Externally Driven 300 to 1500 Rounds Per Minute (RPM) Platforms: H-1, H-60

M61 A1/A2 (20MM)

Hydraulic Operated 4000 to 6000 Rounds Per Minute (RPM) Platforms: F/A-18

2. APPLICABLE DOCUMENTS

2.1. General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3 and 4 of this specification, whether or not they are listed.

2.2. Government documents.

2.2.1. Specifications and standards. The following standard forms a part of this document to the extent specified herein. Unless otherwise specified, the issues of this document are those cited in the solicitation or contract.

DEPARTMENT OF DEFENSE STANDARDS

2.3. Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

2.4. Other Government Document, Drawings and Publications. The documents, procedures, and guidelines identified below were used as references to develop this document. Unless a revision is specified below, the latest revision is applicable.

Number Title

MIL-W-13855 Small Arms and Aircraft Armament Subsystems, General Specification for

ASTM B117 Salt Spray and Salt Fog Testing

DoDI 8520.03 Identity Authentication for Information Systems

Number Title MIL-STD-129 Military Marking for Shipping and Storage MIL-STD-130 Identification Marking of U.S. Military Property MIL-STD-202 Department of Defense Test Method Standard Electronic and Electrical Component Parts MIL-STD-810 Department of Defense Test Methods and Standard for

Environmental Engineering Considerations and Laboratory Tests

MIL-STD-1916 Department of Defense Test Methods and Standard DOD Preferred Methods for Acceptance of Product

MIL-STD-2073 Department of Defense Standard Practice for Military Packaging

NIST SP 800-63-2 Electronic Authentication Guideline

3. REQUIREMENTS

3.1. Rounds Counter

3.1.1. Design Requirements

3.1.1.1. Rounds counter dimensions shall be no more than 1 x 1 x 1 inches.

3.1.1.2. Rounds counter shall be no more than 0.5 pounds.

3.1.2. Functional Requirements

3.1.2.1. Rounds counter shall be able to display rounds count by an external reader.

3.1.2.2. Rounds counter shall be able to measure rounds fired at rates ranging from 1 to 7,000 rounds per minute.

3.1.2.3. Rounds counter shall maintain memory of at least 3,000,000 rounds.

3.1.2.4. Rounds counter shall be able to differentiate between rounds cycled through the guns without firing (dry fire) and only count rounds fired.

3.1.2.5. Rounds counter shall have an accuracy rate equal to or greater than 99.5%.

3.1.3. Power Requirements

3.1.3.1. Rounds counter shall be battery operated.

3.1.3.2. Rounds counter batteries shall be COTS batteries such as but not limited to button/coin, AA, AAA and shall be UL certified.

3.1.3.3. Rounds counter batteries shall have a minimum service life of ten (10) years.

3.1.4. Data Output Requirements

3.1.4.1. Data output of rounds counter shall include the following:

3.1.4.1.1. Number of rounds fired.

3.1.4.1.2. Millisecond level time stamp for each round fired.

3.1.4.1.3. Weapon serial number.

3.1.4.1.4. Weapon part number.

3.1.4.1.5. Weapon cage code.

3.1.4.1.6. Battery power level measured in percentages from 1-100.

3.1.4.2. Rounds counter data shall be able to be exported off the counter onto a reader wirelessly.

3.1.5. Environmental Requirements

3.1.5.1. Rounds counter shall meet chemical resistance requirements of MIL-STD-

810 test method 504.

3.1.5.2. Rounds counter shall meet chemical resistance requirements of MIL-W- 13855 paragraph 3.4.2.1.

3.1.5.3. Rounds counter shall meet corrosion resistance test method ASTM B117 at 168 hours or salt-fog testing MIL-STD-810 test method 509 procedure 1 (144 hours).

3.1.5.4. Rounds counter shall be designed for operation within a range of ambient temperatures from -65°F to +160°F.

3.1.5.5. The rounds counter shall be able to pass humidity test method 103, test condition A (240 hours) from MIL-STD-202.

3.1.5.6. The rounds counter shall be able to pass moisture resistance test method 106 from MIL-STD-202.

3.1.5.7. The rounds counter shall be able to pass vibration, high frequency test, test method 204, condition B from MIL-STD-202.

3.1.5.8. The rounds counter shall be able to pass high impact shock testing, test method 207 from MIL-STD-202.

3.1.6. Counter Transmission Requirements

3.1.6.1. Rounds counter shall not transmit data on any frequency unless commanded by reader.

3.2. Reader

3.2.1. Functional Requirements

3.2.1.1. Reader shall be able to interact with at least 500 rounds counters simultaneously.

3.2.1.2. The reader shall be able to receive data from the rounds counter from a minimum of 3 feet away in the open air.

3.2.2. Power Requirements

3.2.2.1. Reader shall indicate rounds counter low battery power in percentage from

1-100.

3.2.2.2. Reader shall be able to scan at least 200 rounds counters sequentially before requiring recharge.

3.2.2.3. Reader shall have a minimum seven (7) day battery life on standby power.

3.2.2.4. Reader shall be able to be charged from a standard 120V outlet.

3.2.3. Data Output Requirements

3.2.3.1. Data output of reader shall be a Comma Separated Values (.csv) file for interface with the ground station.

3.2.3.2. Data output of reader shall include number of rounds fired with associated time stamp for each round fired, serial number, part number, and Cage Code of weapon, and battery power.

3.2.4. Environmental Requirements

3.2.4.1. Reader shall be designed for operation within a range of temperatures from -

65° to +160°F.

3.2.4.2. The reader shall be able to pass humidity test method 103 test condition A (240 hours) from MIL-STD 202.

3.2.4.3. The reader shall be able to pass moisture resistance test method 106 from

MIL-STD 202.

3.2.4.4. The reader shall be able to pass transportation test, test method 514.8 annex C categories 4 and 5 from MIL-STD-810.

3.2.4.5. The reader shall be able to pass high impact shock testing, test method 207 from MIL-STD-202.

3.2.5. Ground Station Requirements

3.2.5.1. Reader shall be capable of transferring rounds count data to rounds counters for rounds counter cloning purposes.

3.3. Automated Shot Counter System - Cyber Requirements

3.3.1. DoD/DoN Cybersecurity Policies. The Automated Shot Counter System shall comply with DoD/DoN cybersecurity policies which allow the system to receive an Authorization to Operate (ATO) based upon the Risk Management Framework (RMF) process IAW DoDI 8510.01. It shall be designed to securely load data into, verify data out of, and download data from avionics maintenance systems without compromised confidentiality, integrity, or availability. The Automated Shot Counter System shall implement security controls defined with NIST SP 800-53 version 4 to include the following:

3.3.1.1. The Automated Shot Counter System shall be configured and hardened with all applicable DISA Security Technical Implementation Guide(s) (STIG) (i.e.

Windows OS STIG, Android OS STIG, Application Security Development (ASD STIG, etc.).

3.3.1.2. The Automated Shot Counter System shall be configured to use a role-based access scheme that organizes allowed system access into roles.

3.3.1.3. The Automated Shot Counter System shall restrict any software from executing at privilege levels higher than the level of the user executing the software.

3.3.1.4. The Automated Shot Counter System shall prevent non-privileged users from executing privileged functions.

3.3.1.5. The Automated Shot Counter System shall automatically lock the account/node for a documented time period when the maximum number of unsuccessful attempts is exceeded.

3.3.1.6. The Automated Shot Counter System shall enforce confidentiality using data-at-rest and data-in-transit encryption.

3.3.1.7. The Automated Shot Counter System shall limit the number of concurrent sessions for each user account to a documented number of sessions.

3.3.1.8. The Automated Shot Counter System shall provide a logout capability for authenticated user sessions.

3.3.1.9. The Automated Shot Counter System shall implement a deny-all/permit-by-exception policy to only allow execution of documented software programs.

3.3.1.10. The Automated Shot Counter System shall prohibit user software installation without explicit privileged status.

3.3.1.11. The Automated Shot Counter System shall uniquely identify specific Counter(s) devices before establishing a local/remote/network connection.

3.3.1.12. The Automated Shot Counter System shall uniquely authenticate specific

Counter(s) devices before establishing a local/remote/network connection.

3.3.1.13. The Automated Shot Counter System shall authenticate specific Counter(s) devices before establishing a local/remote/network connection using cryptographically based bidirectional authentication.

3.3.1.14. The Automated Shot Counter System shall enforce DoD/DoN password complexity in accordance with DoDI 8520.03 and NIST SP 800-63-2.

3.3.1.15. The Automated Shot Counter System shall employ malicious code protection mechanisms to perform real-time scans of files from external sources at endpoints as the files are downloaded, opened, or executed.

3.3.1.16. The Automated Shot Counter System shall perform an integrity check of application software at startup.

3.3.1.17. Software shall be developed using secure coding practices such as source code review, application security testing (SAST, DAST, etc.), code signing, and the utilization of integrity checks to ensure software is not altered without authorization. Additionally, the software, and its dependencies should be recorded and accounted for within a Software Bill of Material IAW the NTIA’s “The Minimum Elements For a Software Bill of Material”

4. VERIFICATION

4.1. Classification of inspections. The inspection requirements specified herein are classified as follows:

4.1.1. Qualification inspection. The qualification inspection shall consist of all tests and examinations of this specification.

4.1.2. Conformance inspection. Conformance inspections shall consist of the required tests listed in Tables II and V and the examinations listed in Tables III and IV.

TABLE II. Conformance tests.

Characteristics Paragraph

Reference Chemical resistance (rounds counter only) Resistance to gun lubricants (rounds counter only) Corrosion resistance (rounds counter only) Operating temperature

4.4.1.1

Humidity exposure Moisture resistance High-frequency vibration High-impact shock Frequency transmission (rounds counter only) Live-fire range testing 4.4.1.2

4.1.3. Sampling for conformance inspection. Unless otherwise specified in the contract or order, sampling for inspection shall be performed in accordance with the provisions set forth in MIL-STD-1916.

4.1.4. Examination of the end item. For the purpose of determining the sample size in accordance with MIL-STD-1916, the lot size shall be expressed in units of counters, as applicable, for examinations under 4.3.2.1 and 4.3.2.2.

4.1.4.1. Examination of the end item for defects in appearance and workmanship.

TABLE III. Examination of the end item for defects in appearance and workmanship.

EXAMINATION DEFECT

Workmanship Rough or sharp edges present.

Identification markings

Illegible, incorrect, incomplete, or omitted.

4.1.4.2. Examination of the end item for dimensional defects.

TABLE IV. Examination of the end item for dimensional defects.

EXAMINATION DEFECT

Dimensions (Class I and II)

Length, width, or height varies by more than plus 0.125 inch from dimensions specified.

Weight Weight is greater than that specified.

4.2. Verification of performance requirements.

4.2.1. Verification testing.

4.2.1.1. MIL-STD test methods. Unless otherwise specified, the tests in Table V shall be conducted in accordance with their respective MIL-STD’s.

TABLE V. Test methods.

Notes 1/ Specimen shall be tested according to test method 103 condition A (240 hours).

2/ Specimen shall be tested according to test method 204 condition B.

3/ Specimen shall be tested according to test method 509 procedure 1 (144 hours).

4/ Specimen shall be tested according to test method 514.8 annex C categories 4 and 5.

4.2.1.2. Live-fire range testing. Rounds counter and reader shall be subject to live-firing conditions to validate requirements specified in 3.1.2.4, 3.1.2.5, 3.1.5.4, and 3.2.4.1.

4.2.2. Demonstration. The requirements listed below shall be verified by demonstration.

4.2.2.1. Rounds counter requirements.

• 3.1.2.1.

• 3.1.4.1.1.

• 3.1.4.1.2.

• 3.1.4.1.3.

• 3.1.4.1.4.

MIL-STD

Tests Test Method No

Special Requirement or Exception Note

Humidity exposure 103 1/ Moisture resistance 106 -- High-frequency vibration 204 2/ Puncture resistance 207 --

Chemical resistance 504 -- Corrosion resistance 509 3/ Transportation 514.8 4/

MIL-W-13855 Gun lubricant resistance 3.4.2.1 --

• 3.1.4.1.5.

• 3.1.4.1.6.

• 3.1.4.2.

• 3.1.6.1.

4.2.2.2. Reader requirements.

• 3.2.2.1.

• 3.2.2.2.

• 3.2.2.3.

• 3.2.2.4.

• 3.2.3.1.

• 3.2.3.2.

• 3.2.5.1.

4.2.3. Analysis.

4.2.3.1. Requirements 3.1.2.2., 3.2.1.1., and 3.2.2.3. shall be validated via documented analysis of their respective components.

5. PACKAGING, MARKING, LABELING REQUIREMENTS

5.1. Packaging Requirements

5.1.1. All items shall be individually packaged IAW MIL-STD-2073-1, Method 41.

5.2. Marking Requirements

5.2.1. Rounds counters shall be laser engraved IAW MIL-STD-130 and contain the part number at a minimum.

5.2.2. Readers shall be engraved or molded IAW MIL-STD-130 and contain the part number at a minimum.

5.3. Labeling Requirements

5.3.1. All individual packages shall be labeled IAW MIL-STD-129.